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Runaway electrons during tokamak startup

A.S. Sharma, R. Jayakumar1988年被引用 15Nuclear FusionIF 3出版社

Runaway electrons significantly affect the plasma and impurity evolution during tokamak startup. During its rise, a runaway pulse stores magnetic flux inductively; this is then released during the decay phase of the runaway pulse. This process affects plasma formation, current initiation and current buildup. Because of their relativistic velocities the runaway electrons have higher ionization and excitation rates than the plasma electrons. This leads to a significant modification of the impurity behaviour and consequently the plasma evolution.

日本語訳

逃走電子は、トカマク立ち上げ中のプラズマおよび不純物の進化に有意に影響を与える。その上昇中に、逃走パルスは誘導的に磁束を蓄積する;これはその後、逃走パルスの減衰位相中に放出される。この過程は、プラズマ形成、電流開始、および電流立ち上げに影響を与える。それらの相対論的速度のため、逃走電子はプラズマ電子よりも高い電離率および励起率を持つ。これは、不純物の挙動の有意な変更をもたらし、結果としてプラズマの進化に影響を与える。

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